Dialga-GX #138 Forbidden Light Holofoil Price

Dialga-GX #138 price, trend & prediction

Dialga-GX #138 (Holofoil, Rare Rainbow) from Forbidden Light (2018) has a market price of $76.64 raw as of October 13, 2026, the TCGplayer market price for this exact printing. It is the #3 most valuable of 252 priced printings in Forbidden Light. Over the last 30 days the price has held steady (+1.0%), +1.3% over 90 days. Its 180-day range is $72.16 to $76.64 — it is trading near the top of that range.

Graded copies of Dialga-GX sell for more than raw. A PSA 10 has a recent sale median of $633.00, about 8.3× the raw price (10 recent sales). PSA 9 copies go for around $81.53, about 1.1× the raw price (7 recent sales) — thin data, treat as indicative. Other grades we track: ACE 10 at $508.07, CGC 10 at $422.69, TAG 10 at $300.00. Graded medians come from recent eBay sold listings and refresh daily.

Dialga-GX #138 price prediction: if recent momentum continues, the 30-day trend for this card is sideways. Momentum is flat: the price has barely moved across the windows we track (+1.0% over 30 days, +1.0% over 7 days, +1.3% over 90 days). This is a read of past price moves, not a model forecast and not investment advice — see the forecast methodology and public accuracy scoreboard for how our ML outlooks are built and scored.